Enketo filesize limited <5MB

Kobo On Your Own Server
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1

URGENT HELP NEEDED

After some configuration frustrations, I managed to kobo-install to full install and run. However, I’m running into a problem with Enketo limiting the size of file uploads to <5 MB. This is far too small.

I found the discussion of Nginx configs now supporting a 100MB filesize (see: Removing size limit for File Upload? - #2 by Josh). Nobody seems to have offered help on this issue in a previous post here: Removing size limit for File Upload? - #3 by ks_1

Despite that generous limit with Nginx, Enketo still insists on limiting the upload size to 5 MB. I see no obvious configuration to change. Please help!

2

Looks like the Enketo form is asking the server for max-size, and the request fails:

https://enketo.my-server.org/submission/max-size/gkQQzepS

The server responds with a 401 error:

{
    "code": 401,
    "message": "Forbidden. Authorization Required."
}